[Templating] added method to return the template logical name, added test

src/Symfony/Component/Templating/TemplateReference.php

@@ -82,4 +82,12 @@ class TemplateReference implements TemplateReferenceInterface
     {
         return $this->parameters['name'];
     }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getLogicalName()
+    {
+        return $this->parameters['name'];
+    }
 }

src/Symfony/Component/Templating/TemplateReferenceInterface.php

@@ -63,4 +63,11 @@ interface TemplateReferenceInterface
      * @return string A path to the template or a resource
      */
     function getPath();
+
+    /**
+     * Returns the template name
+     *
+     * @return string The template name
+     */
+    function getLogicalName();
 }

tests/Symfony/Tests/Component/Templating/TemplateNameParserTest.php

@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Tests\Component\Templating;
+
+use Symfony\Component\Templating\TemplateNameParser;
+use Symfony\Component\Templating\TemplateReference;
+
+class TemplateNameParserTest extends \PHPUnit_Framework_TestCase
+{
+    protected $parser;
+
+    protected function  setUp()
+    {
+        $this->parser = new TemplateNameParser();
+    }
+
+    protected function tearDown()
+    {
+        unset($this->parser);
+    }
+
+    /**
+     * @dataProvider getLogicalNameToTemplateProvider
+     */
+    public function testParse($name, $ref, $refname)
+    {
+        $template = $this->parser->parse($name);
+
+        $this->assertEquals($template->getSignature(), $ref->getSignature());
+        $this->assertEquals($template->getLogicalName(), $refname);
+    }
+
+    public function getLogicalNameToTemplateProvider()
+    {
+        return array(
+            array('/path/to/section/name.engine', new TemplateReference('/path/to/section/name.engine', 'engine'), '/path/to/section/name.engine'),
+            array('name.engine', new TemplateReference('name.engine', 'engine'), 'name.engine'),
+            array('name', new TemplateReference('name'), 'name'),
+        );
+    }
+}